Zurn Z1700 Shoktrol Water Hammer Arrestor Bellows Stainless
ZURN WILKINS, 3/4 in to 1 in, For Use With 1-975XL/34-975XL, Complete Internal Parts Repair Kit - 20RJ39|RK34-975XLC - Grainger
Zurn Wilkins Universal Hydrant Repair Kit for Model 975XL Backflow Preventers - Multiple Colors/Finishes in the Valve Repair Parts department at Lowes.com